Clip-on pivoting telescope lens assembly having means for precise placement of the telescope lens in the operative position

摘要

A telescope lens assembly removably mountable on a spectacle frame is provided which includes a mounting bracket having a first pair of fixed clamping arms, a telescope lens pivotally mounted on the mounting bracket with a support bracket, a spring clip having a handle, a second pair of clamping arms for engaging with the first pair of clamping arms, and two projections, and a wire spring wound around each of the two projections which engages with the support bracket to allow precise placement of the telescope lenses in an operative position from a non-operative position.